Shimano Dura-Ace vs Ultegra vs 105 Cassette (12-speed)

By : Mr Mamil
Updated :

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Shimano Dura-Ace vs Ultegra vs 105 12-speed Cassettes
Shimano Dura-Ace vs Ultegra vs 105 12-speed Cassettes

The page discusses the differences between the 12-speed Shimano Dura-Ace (R9200), Ultegra (R8100), and 105 (R7100) cassettes.

Unlike the previous 10 and 11-speed cassettes, there are only two sizes for Shimano 12-speed cassettes (11-30T and 11-34T). There is no 11-30T version for R7100.

ComparisonDura-AceUltegra105
Model numberCS-R9200-12CS-R8100-12CS-R7100-12
TechnologyHyperglide+Hyperglide+Hyperglide
Cog materialTitanium, steelSteelSteel
Spider materialAluminumAluminumAluminum
Price (USD)$360$112$66
Shimano Dura-Ace vs Ultegra vs 105 cassettes

Weight comparison and difference

The Dura-Ace cassette is the lightest, followed by Ultegra and 105 cassettes.

The Dura-Ace cassette is up to 35% lighter because the cogs are made of titanium and steel. The Ultegra and 105 cogs are made from steel only.

Cassette sizeDura-AceUltegra105
11-30T223g291gn/a
11-34T253g345g361g
Weight for Shimano Dura-Ace, Ultegra, and 105, 12-speed cassettes
Comparison11-30T11-34T
Dura-Ace vs Ultegra26.46%30.77%
Dura-Ace vs 105n/a35.18%
Ultegra vs 105n/a4.50%
Weight difference between Shimano Dura-Ace, Ultegra, and 105, 12-speed cassettes

Cog size and material breakdown

Shimano Dura-Ace R9200, 11-30T cassette

Titanium is used in the largest 5-6 cogs on the Dura-Ace cassette vs steel in Ultegra and 105 cassettes. From the photo above, the darker grey (largest 6) cogs are titanium.

Cog sizeDura-AceUltegra
11SteelSteel
12SteelSteel
13SteelSteel
14SteelSteel
15SteelSteel
16SteelSteel
17SteelSteel
19, 21TitaniumSteel
24, 27, 30TitaniumSteel
Cog size and material breakdown for 11-30T cassette (12-speed)

For 11-34T, the 17T and 19T form a sprocket unit, but only the 19T is made from titanium. The 17T is made from steel.

Cog sizeDura-AceUltegra105
11SteelSteelSteel
12SteelSteelSteel
13SteelSteelSteel
14SteelSteelSteel
15SteelSteelSteel
17, 19Titanium, steelSteelSteel
21, 24, 28, 32, 36TitaniumSteelSteel
Cog size and material breakdown for 11-34T cassette (12-speed)